CN104139588B - Mould release membrance - Google Patents

Mould release membrance Download PDF

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Publication number
CN104139588B
CN104139588B CN201410333916.9A CN201410333916A CN104139588B CN 104139588 B CN104139588 B CN 104139588B CN 201410333916 A CN201410333916 A CN 201410333916A CN 104139588 B CN104139588 B CN 104139588B
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China
Prior art keywords
layer
silicone oil
oil adhesion
pet
auxiliary
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CN201410333916.9A
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Chinese (zh)
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CN104139588A (en
Inventor
章栋
杨永胜
袁文新
朱红卫
刘杰
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HUBEI FIRSTA MATERIAL SCIENCE AND TECHNOLOGY GROUP Co Ltd
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HUBEI FIRSTA MATERIAL SCIENCE AND TECHNOLOGY GROUP Co Ltd
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Priority to CN201410333916.9A priority Critical patent/CN104139588B/en
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Abstract

The invention belongs to field of packaging material, be specifically related to a kind of mould release membrance.Mould release membrance, it is characterized in that: it comprises silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer, silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer are arranged successively, silicone oil adhesion layer, supporting layer, auxiliary layer are integral through biaxial tension after adopting coextrusion, and the mass ratio of silicone oil adhesion layer, supporting layer, auxiliary layer is 1.5:7:1.5; After the longitudinal stretching of biaxial tension, be coated with silicone oil on the surface of silicone oil adhesion layer and form silicon layer, the thickness of silicon layer is 2um.This mould release membrance does not adopt paper, environmental sound.

Description

Mould release membrance
Technical field
The invention belongs to field of packaging material, be specifically related to a kind of mould release membrance.
Background technology
Existing release liners (label backing paper), can do diaphragm, waterproof material; But the paper of release liners is made up of timber, consume timber, welding.
Summary of the invention
The object of the present invention is to provide a kind of mould release membrance, this mould release membrance does not adopt paper, environmental sound.
To achieve these goals, the technical solution used in the present invention is: mould release membrance, it is characterized in that: it comprises silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer, silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer are arranged successively, after silicone oil adhesion layer, supporting layer, auxiliary layer employing coextrusion integral through biaxial tension (employing common process), the mass ratio of silicone oil adhesion layer, supporting layer, auxiliary layer is 1.5:7:1.5; After the longitudinal stretching of biaxial tension, be coated with silicone oil on the surface of silicone oil adhesion layer and form silicon layer (complete drying in cross directional stretch process, form silicon layer), the thickness of silicon layer is 2 μm.
The material of described silicone oil adhesion layer is PET (PET) and SiO 2, SiO 2addition be 200PPM (all the other are PET).
The material of described supporting layer is PET (PET).
The material of described auxiliary layer is the anti-blocking agent of PET (PET) and PET film, and the addition of the anti-blocking agent of PET film is 500PPM (all the other are PET).
The invention has the beneficial effects as follows: this mould release membrance does not adopt paper, environmental sound.Reusable edible.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-silicon layer, 2-silicone oil adhesion layer, 3-supporting layer, 4-auxiliary layer.
Detailed description of the invention
Embodiment 1:
As shown in Figure 1, mould release membrance, it comprises silicon layer 1, silicone oil adhesion layer 2, supporting layer 3, auxiliary layer 4, silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer are arranged successively, after silicone oil adhesion layer, supporting layer, auxiliary layer employing coextrusion integral through biaxial tension (employing common process), the mass ratio of silicone oil adhesion layer, supporting layer, auxiliary layer is 1.5:7:1.5; After the longitudinal stretching of biaxial tension, be coated with silicone oil on the surface of silicone oil adhesion layer and form silicon layer (complete drying in cross directional stretch process, form silicon layer), the thickness of silicon layer is 2 μm.
The material of described silicone oil adhesion layer is PET (PET) and SiO 2, SiO 2addition be 200PPM (all the other are PET).
The material of described supporting layer is PET (PET).
The material of described auxiliary layer is the anti-blocking agent of PET (PET) and PET film, and the addition of the anti-blocking agent of PET film is 500PPM (all the other are PET).
Mould release membrance of the present invention can replace existing release liners (label backing paper), as diaphragm, waterproof material.

Claims (1)

1. mould release membrance, it is characterized in that: it comprises silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer, silicon layer, silicone oil adhesion layer, supporting layer, auxiliary layer are arranged successively, silicone oil adhesion layer, supporting layer, auxiliary layer are integral through biaxial tension after adopting coextrusion, and the mass ratio of silicone oil adhesion layer, supporting layer, auxiliary layer is 1.5:7:1.5; After the longitudinal stretching of biaxial tension, be coated with silicone oil on the surface of silicone oil adhesion layer and form silicon layer, the thickness of silicon layer is 2 μm;
The material of described silicone oil adhesion layer is PET and SiO 2, SiO 2addition be 200PPM;
The material of described supporting layer is PET;
The material of described auxiliary layer is the anti-blocking agent of PET and PET film, and the addition of the anti-blocking agent of PET film is 500PPM.
CN201410333916.9A 2014-07-14 2014-07-14 Mould release membrance Active CN104139588B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410333916.9A CN104139588B (en) 2014-07-14 2014-07-14 Mould release membrance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410333916.9A CN104139588B (en) 2014-07-14 2014-07-14 Mould release membrance

Publications (2)

Publication Number Publication Date
CN104139588A CN104139588A (en) 2014-11-12
CN104139588B true CN104139588B (en) 2016-03-23

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104451611B (en) * 2014-12-12 2017-11-03 广东生益科技股份有限公司 A kind of mould release membrance with silica coating and preparation method thereof
CN104961870A (en) * 2015-05-29 2015-10-07 吉翔宝（太仓）离型材料科技发展有限公司 PET composite release film
CN104890392A (en) * 2015-06-18 2015-09-09 湖北图新材料科技有限公司 Daily chemical label film
CN104924795A (en) * 2015-06-18 2015-09-23 湖北图新材料科技有限公司 Pp label film
CN113752513B (en) * 2020-06-03 2023-03-21 常州钟恒新材料股份有限公司 Preparation method of high-definition release film

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1840324A (en) * 2005-03-30 2006-10-04 林启祥 Method of manufacturing release film
CN101946196A (en) * 2008-02-25 2011-01-12 三菱树脂株式会社 Release film

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133058A (en) * 1981-02-13 1982-08-17 Teijin Ltd Mold releasing polyester film
JPH06116538A (en) * 1992-10-05 1994-04-26 Toyo Ink Mfg Co Ltd Peelable film
JP2000141568A (en) * 1998-11-09 2000-05-23 Mitsubishi Polyester Film Copp Release film
CN102765239B (en) * 2012-07-12 2015-04-15 深圳市摩码科技有限公司 Releasing film with light releasing force and manufacture method of releasing film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1840324A (en) * 2005-03-30 2006-10-04 林启祥 Method of manufacturing release film
CN101946196A (en) * 2008-02-25 2011-01-12 三菱树脂株式会社 Release film

Also Published As

Publication number Publication date
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